WITSML - FIX null reference exception for missing data in Point

[petrlicman]

Fixes

This pull request fixes null reference exception in Point

Description

There was issue with null reference if data contains index only

Type of change

• Bugfix
• New feature (non-breaking change which adds functionality)
• Enhancement of existing functionality
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Impacted Areas in Application

• Frontend
• API
• WITSML
• Desktop
• Other (please describe)

Checklist:

Communication

• I have made corresponding changes to the documentation
• PR affects application security

Code quality

• I have self-reviewed my code
• No new warnings are generated

Test coverage

• New code is covered by passing tests

Further comments

[robertbasti]

seems ok